question
Which of the following is NOT needed to determine the minimum sample size required to estimate a population proportion?
answer
standard deviationσ
question
When analyzing polls, which of the following is NOT a consideration?
answer
The sample should be a voluntary response or convenience sample.
question
Which of the following is NOT a requirement for constructing a confidence interval for estimating the population proportion?
answer
trials are done without replacement
question
Which of the following is NOT an observation about critical values?
answer
A critical value is the area in the right-tail region of the standard normal curve.
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question
Which of the following is NOT true of the confidence level of a confidence interval?
answer
There is a 1 - α chance, where α is the complement of the confidence level, that the true value of p will fall in the confidence interval produced from our sample.
question
A _______ is a single value used to approximate a population parameter.
question
Which of the following groups has terms that can be used interchangeably with the others?
answer
Percentage, probability, and proportion
question
Which concept below is NOT a main idea of estimating a population proportion?
answer
Using a sample statistic to estimate the population proportion is not utilizing descriptive statistics
question
A critical value, zα, denotes the
answer
z-score with an area of α to its right.
